Variable: Water

Water includes surface, subsurface, and marine supplies. Water resources can be characterized by quality, flow (cubic feet/second), distribution patterns, and cyclical trends (such as wet years or drought periods).

The control and distribution of water is a major source of economic, social, and political power (Reisner 1986). Changes in water quality can impact social institutions such as health, commerce, and recreation; water rights are crucial to maintaining social order, while access to water influences wealth.

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